<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.bootcss.com/vue/2.5.17-beta.0/vue.min.js"></script>
</head>
<body>
<div id="hd">
<select v-model="field.cid" name="" id="">
    <option value="">请选择</option>
    <option v-for="v in type" :value="v.cid">{{v.cname}}</option>
</select>
    {{field.cid}}
</div>
</body>
<script>
    var app=new Vue({
        el:'#hd',
        data:{
            type:[
                {cid:1,cname:'html'},
                {cid:2,cname:'js'},
                {cid:3,cname:'php'}
            ],
            field:{
                cid:[]
            }
        }
    })
</script>
</html>